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Silva Fennica 1926-1997
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Acta Forestalia Fennica
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Articles containing the keyword 'broadcast sowing'

Category : Article

article id 5243, category Article
Eljas Pohtila, Tapani Pohjola. (1985). Maan kunnostus männyn viljelyssä Lapissa. Silva Fennica vol. 19 no. 3 article id 5243. https://doi.org/10.14214/sf.a15422
English title: Soil preparation in reforestation of Scots pine in Lapland.
Original keywords: mänty; istutus; kulotus; maanmuokkaus; Lappi; laikutus; lautasauraus; uudistustavat; hajakylvö
English keywords: Pinus sylvestris; soil preparation; Scots pine; planting; regeneration methods; scalping; prescribed burning; disc ploughing; broadcast sowing
Abstract | View details | Full text in PDF | Author Info

The study deals with the interaction of various soil preparation and reforestation methods. The most favourable time of the year for broadcast sowing and the effect of stabilization after soil preparation on restocking were studied as special problems.

Prescribed burning, scalping and disc ploughing made a better combination with sowing than planting, and ploughing better combination with planting than sowing. The longer the period was between sowing and germination the fewer seedlings emerged. The best stocking was clearly resulted with sowing in June. Stabilization of soil after preparation had a negative effect on reforestation results.

The PDF includes a summary in English.

  • Pohtila, E-mail: ep@mm.unknown (email)
  • Pohjola, E-mail: tp@mm.unknown
article id 4479, category Article
L. E. T. Borg. (1936). Hankikylvöt Tuomarniemen hoitoalueessa vv. 1913-1930. Silva Fennica no. 38 article id 4479. https://doi.org/10.14214/sf.a9065
English title: Areas broadcast sown on snow in Tuomarniemi district in Finland in 1913-1930.
Original keywords: kuusi; Picea abies; kylvö; euroopanlehtikuusi; kylvömenetelmät; hankikylvö; Larix decidua; mänty; metsänviljely; Pinus sylvestris
English keywords: Norway spruce; sowing; broadcast sowing on snow; Socts pine; artificial regeneration
Abstract | View details | Full text in PDF | Author Info

Broadcast sowing on snow was relatively new method in the beginning of the 20th century in Finland, and the experiences of regeneration were diverse. The aim of the survey was to study the success rate of regeneration in the oldest and largest areas regenerated with this sowing method in Tuomarniemi district. Scots pine (Pinus sylvestris L.) was the most common tree species, but also Norway spruce (Picea abies (L.) H. Karst.) and European larch (Larix decidua Mill.) were used in broadcast sowing on snow.

According to the study, the success of broadcast sowing on snow was as good as patch sowing and sowing in furrows in the sites typical for Tuomarniemi. The regeneration areas were often drained peatlands or paludified lands. When sowing is done using Norway spruce seeds, site preparation either by broadcast burning or scalping with hoe is recommended. Mixed sowing with pine and spruce seldom succeeded due to the differences in site requirements of the species and growth of seedlings. Sowing of Scots pine succeeded well on the drained peatlands. Sowing should be done some years after draining to let the peat dry and sink. Site preparation is needed in sites growing Polytrichum-moss. Broadcast burned areas larger than 10 hectares seemed to regenerate poorer than sites in average, possibly due to dryness of the sites. Trials with European larch were successful, and the growth of the seedlings acceptable despite the sites being relatively poor for the species.

The PDF includes a summary in German.

  • Borg, E-mail: lb@mm.unknown (email)

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